# SDR UATA1740327265701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N440RA](https://openairdocs.org/aircraft/N440RA), registered now
- Make and model: Casa C212CC
- Aircraft serial: 174
- Aircraft time: 44,605 hours, 64,106 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: NA
- Condition: Cracked
- Location: Zone 600
- Part time: 44,605 hours, 64,106 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UATA1740327265701

## Discrepancy

RH WING HAS CRACK ON TRAILING EDGE UNDERSIDE ABOVE OUTBOARD FLAP ASSEMBLY AT WS4800 AS MARKED. REPAIRED CRACKED SECTION OF RT FLAP COVE SKIN.  REMOVED 75MM X 25MM SECTION FROM INBOARD CRACKED AREA AND 90MM X 25MM SECTION FROM OUTBOARD CRACKED AREA. REMOVED RIVETS AS REQUIRED FROM UPPER FLAP COVE SKIN FOR ACCESS TO REPAIR AREA. FABRICATED FOR OUTER SECTION,  FILLER PLATE AND REPAIR PLATE. FABRICATED FOR INBOARD SECTION,  FILLER PLATE AND  REPAIR PLATE. PLATES AND FILLERS FIT AND DRILLED TO REPAIR AREAS, ALL HOLES DIMPLED TO CLEARANCE REPAIR FROM FLAPS. ALL REPAIR PIECES ACID ETCHED, ALODINED, AND PRIMED WITH EPOXY PRIMER. INSTALLED REPAIR PLATES W/ MS20426AD RIVETS. REINSTALLED TOP COVE SKIN RIVETS PREVIOUSLY REMOVED WITH MS20426AD, AND CR3212 RIVETS AS REQUIRED FROM PREVIOUS INSTALLATION.

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